"""
# Copyright 2021 21CN Corporation Limited
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""

# -*- coding: utf-8 -*-
from concurrent import futures

from core.log import logger

upload_thread_pool = futures.ThreadPoolExecutor(
    max_workers=1,
    thread_name_prefix='UploadTaskExecutor')

download_thread_pool = futures.ThreadPoolExecutor(
    max_workers=1,
    thread_name_prefix='DownloadTaskExecutor'
)

check_thread_pool = futures.ThreadPoolExecutor(
    max_workers=100,
    thread_name_prefix='CheckStatusExecutor')


def exception_handler(worker):
    worker_exception = worker.exception()
    if worker_exception:
        logger.exception("Worker return exception: {}".format(worker_exception))
